(19)

(11)

EP 4 457 199 A1

(12)

(43) Date of publication: 06.11.2024 Bulletin 2024/45 (21) Application number: 22844493.1 (22) Date of filing: 27.12.2022

(51) International Patent Classification (IPC):  C05D 3/02(2006.01) C05D 9/02(2006.01) C05G 5/27(2020.01) C05D 5/00(2006.01) C05G 3/50(2020.01) (52) Cooperative Patent Classification (CPC): C05D 3/02; C05D 5/00; C05D 9/02; C05G 3/50; C05G 5/27 (86) International application number: PCT/EP2022/087882 (87) International publication number: WO 2023/126405 (06.07.2023 Gazette 2023/27)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (30) Priority: 27.12.2021 EP 21217833 (71) Applicant: Omya International AG 4665 Oftringen (CH)	(72) Inventors: MÜLLER, Nora 3013 Bern (CH) ORLANDO, Fabrizio 5436 Würenlos (CH) SCHOELKOPF, Joachim 5727 Oberkulm (CH) MELO RODRIGUEZ, Gabriela 5000 Aarau (CH) FERNANDEZ, Victoria 28045 Madrid (ES) (74) Representative: Maiwald GmbH  Elisenhof Elisenstraße 3 80335 München 80335 München (DE)